Show Television Sets I. I Are Are Promised for or Each LONDON LO DON Feb 5 t United Press The day when ono can sit comfortably comfortably com com- In an armchair In London or New York and see rival armies fighting in China may not be In Immediate immediate Im- Im mediate prospect but a young English English Eng Eng- lish Inventor promises to have a short range television set on the market within a year at a prIce within The inventor John L. L Baird a ayoung young Scotchman has already given givena a number of remarkable demonstrations demonstrations demon demon- with his machine which has the astonishing property not only of transmitting sight by wireless wire wire- less but also of seeing In the dark In other words through this machine machine ma- ma chine people In one room arc enabled enabled en- en to see the movements of people peo- peo pIe In another room so darkened that the people in It are not able to see each other ThIs Is accomplished a through the use of recently discovered ray Infra sometimes known bs as Invisible light In Instruments hitherto experimented experimented ex- ex with television has only been made possible by submitting the object to be transmitted to an Intensely bright light Baird discovered discovered dis- dis covered in the course ot of a series of experiments experiment with different lights lights' that he could transmit the appearance appear appearance appear appear- ance of an object by use of infrared infrared infra infra- red rays even though the object was In pitch darkness Yet while It Is possible to get getgood getgood good television results of objects In complete darkness by the use of red infra rays according to Baird normal lighting gives better reproduction The discovery will probably have great grat uses In war Baird declared In an Interview for tor then It will be possible for airplanes to flood areas below them with red Infra light while observers In these machines equipped with will suitable apparatus will be able to watch enemy troop movements without disclosing the position of the airplanes At the same time the country possessing the secret ot of the use of the same rays will be able to watch the movements of enemy aircraft without with with- out giving their own position by searchlights or flares as is the case under present conditions of war war- tare fare At present there seems no way of getting out of the range of the Invisible red infra rays or of overcoming overcoming over over- coming them but It is not impossible impossible sible of course that someone someone later may Invent some sort of counter counter- ray which would negate the effectiveness effectIveness effect effect- of red intra rays |